CN218533403U

CN218533403U - Roller of mill

Info

Publication number: CN218533403U
Application number: CN202222547921.2U
Authority: CN
Inventors: 金怀良; 陈育红; 宋仁彪; 李建成; 常传勤
Original assignee: Anhui Bomei Aoqi Mechanical Equipment Co ltd
Current assignee: Anhui Bomei Aoqi Mechanical Equipment Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-02-28
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a mill cylinder relates to mill cylinder technical field, including two cylinder support, cylinder support's inside is equipped with the bearing frame, the fixed cover in inside of bearing frame is equipped with the bearing, the inside cover of bearing is equipped with the center pin, the outside fixed cover of center pin is equipped with the protection axle sleeve, the outside cover of protection axle sleeve is equipped with the mill cylinder, the axial welding has a plurality of cylinder strengthening ribs between protection axle sleeve and the mill cylinder, and the terminal surface of cylinder strengthening rib is parallel with the terminal surface of mill cylinder. The utility model has the advantages that the original reinforcing flange inside the roller is moved inwards from the end surface of the roller, and the reinforcing rib end surface is moved to the end surface of the roller to be welded firmly in parallel, so that the welding difficulty is effectively reduced, the welding is more convenient and faster, and the production efficiency is improved; meanwhile, the problem of no clearance and looseness of equipment during high-speed operation is solved by improving the position tolerance precision of the central shaft and the bearing seat, the service life of the bearing seat is prolonged, and the maintenance cost is effectively reduced.

Description

Roller of mill

Technical Field

The utility model relates to a mill cylinder technical field, concretely relates to mill cylinder.

Background

The strengthening rib on traditional mill cylinder is placed in the inside of mill cylinder, and the workman carries out the welding process in-process, need go deep into the mill cylinder with the soldered connection inside, has increased the welding degree of difficulty for the production efficiency of mill cylinder receives the restriction, for this reason we have proposed a mill cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mill cylinder for solve the problem that faces among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a mill cylinder, includes two cylinder support, cylinder support's inside is equipped with the bearing frame, the fixed cover in inside of bearing frame is equipped with the bearing, the inside cover of bearing is equipped with the center pin, the outside fixed cover of center pin is equipped with the protection axle sleeve, the outside cover of protection axle sleeve is equipped with the mill cylinder, axial welding has a plurality of cylinder strengthening ribs between protection axle sleeve and the mill cylinder, and the terminal surface of cylinder strengthening rib is parallel with the terminal surface of mill cylinder.

Preferably, the inside fixedly connected with of rolling stand goes up the slide rail, the below of going up the slide rail is equipped with the lower slide rail of fixed connection in the inside of rolling stand, go up the slide rail and be equipped with the bearing frame down between the slide rail, the spout has been seted up to the both sides of bearing frame, and spout and last slide rail and lower slide rail sliding fit.

Preferably, the bearing seat is connected with the roller bracket through a bolt, and a first nut and a second nut are connected to two ends of the bolt.

Preferably, the interior of the mill roller is provided with a reinforcing flange which is fixedly connected with the protective shaft sleeve.

The utility model has the advantages that:

the utility model has the advantages that the original reinforcing flange inside the roller is moved inwards from the end surface of the roller, and the reinforcing rib end surface is moved to the end surface of the roller to be welded firmly in parallel, so that the welding difficulty is effectively reduced, the welding is more convenient and faster, and the production efficiency is improved; meanwhile, the problem of no clearance and looseness of equipment during high-speed operation is solved by improving the position tolerance precision of the central shaft and the bearing seat, the service life of the bearing seat is prolonged, and the maintenance cost is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts;

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of a mill drum;

fig. 3 is a schematic view of the structure of the drum stand.

The numbering in the figures illustrates:

1. a mill drum; 2. a drum support; 3. a bearing; 4. a roller reinforcing rib; 5. a central shaft; 6. a bolt; 7. a first nut; 8. a second nut; 9. a lower slide rail; 10. connecting the shaft sleeve; 11. an upper slide rail; 12. a chute; 13. a bearing seat; 14. and (4) reinforcing the flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a roller of a mill includes two roller supports 2, an upper slide rail 11 is fixedly connected to the inside of the roller support 2, a lower slide rail 9 fixedly connected to the inside of the roller support 2 is arranged below the upper slide rail 11, a bearing seat 13 is arranged between the upper slide rail 11 and the lower slide rail 9, sliding grooves 12 are formed in two sides of the bearing seat 13, the sliding grooves 12 are in sliding fit with the upper slide rail 11 and the lower slide rail 9, the bearing seat 13 is connected with the roller support 2 through bolts 6, two ends of each bolt 6 are connected with a first nut 7 and a second nut 8, a bearing 3 is fixedly sleeved on the inside of the bearing seat 13, a central shaft 5 is sleeved on the inside of the bearing 3, a protective shaft sleeve 10 is fixedly sleeved on the outside of the central shaft 5, a mill roller 1 is sleeved on the outside of the protective shaft sleeve 10, a plurality of reinforcing flanges 14 are symmetrically welded on the inside of the mill roller 1, the reinforcing flanges 14 are fixedly connected with the protective shaft sleeve 10, a plurality of roller reinforcing ribs 4 are axially welded between the protective shaft sleeve 10 and the mill roller 1, end faces of the roller reinforcing ribs 4 are parallel to end faces of the roller 1, thereby reducing welding difficulty of the mill, which is more convenient and production efficiency is improved.

The working principle is as follows: firstly, processing a central shaft 5 according to GB/T7813-1998, changing the size of the existing central shaft, reducing the position tolerance of the central shaft 5 and a bearing seat 13, reducing the gap between the central shaft 5 and the bearing seat 13, avoiding the equipment from loosening during high-speed operation, prolonging the service life of the bearing seat, then moving a reinforcing flange inside a traditional mill roller 1 inwards from the end surface of the roller, moving a roller reinforcing rib 4 inside the mill roller 1 outwards, enabling the end surface of the roller reinforcing rib 4 to be welded with the end surface of the mill roller 1 in parallel, effectively reducing the welding difficulty, then welding the processed mill roller 1 with the processed central shaft 5, finally respectively installing bearings 3 at two ends of the assembled central shaft 5, installing the bearings 3 on the bearing seats 13, and connecting the bearing seats 13 with a roller bracket 2 through bolts 6.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a mill cylinder, includes two drum support (2), its characterized in that, the inside of drum support (2) is equipped with bearing frame (13), the inside fixed cover of bearing frame (13) is equipped with bearing (3), the inside cover of bearing (3) is equipped with center pin (5), the outside fixed cover of center pin (5) is equipped with protection axle sleeve (10), the outside cover of protection axle sleeve (10) is equipped with mill cylinder (1), the axial welding has a plurality of cylinder strengthening ribs (4) between protection axle sleeve (10) and mill cylinder (1), and the terminal surface of cylinder strengthening rib (4) is parallel with the terminal surface of mill cylinder (1).

2. The mill drum according to claim 1, characterized in that an upper slide rail (11) is fixedly connected inside the drum support (2), a lower slide rail (9) fixedly connected inside the drum support (2) is arranged below the upper slide rail (11), a bearing seat (13) is arranged between the upper slide rail (11) and the lower slide rail (9), sliding grooves (12) are formed in two sides of the bearing seat (13), and the sliding grooves (12) are in sliding fit with the upper slide rail (11) and the lower slide rail (9).

3. A mill drum according to claim 1, characterized in that the bearing housing (13) is connected to the drum support (2) by means of a bolt (6), and that the bolt (6) is connected at its two ends to a first nut (7) and a second nut (8).

4. A mill drum according to claim 1, characterized in that the mill drum (1) is provided with a reinforcing flange (14) inside, and the reinforcing flange (14) is fixedly connected with the protective sleeve (10).